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The Kinematically Measured Pattern Speeds of NGC 2523 and NGC 4245

  • Authors: P. Treuthardt, R. Buta, H. Salo, and E. Laurikainen

Treuthardt et al. 2007 The Astronomical Journal 134 1195.

  • Provider: AAS Journals

Caption: Fig. 2.

Contour plots derived from B‐band images of NGC 2523 and NGC 4245 with the foreground stars removed. The images were taken from BCO07. North is to the top and east is to the left. The lines indicate the slit positions used to obtain the stellar absorption‐line spectra. For NGC 2523 the slits (top to bottom) have a major axis offset of 17﹩\arcsec﹩ northwest, 9﹩\arcsec﹩ northwest, 0﹩\arcsec﹩, and 17﹩\arcsec﹩ southeast. For NGC 4245 the slits (left to right) have a major axis offset of 17﹩\arcsec﹩ east, 0﹩\arcsec﹩, and 17﹩\arcsec﹩ west.

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